sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function expandMenu(listName) {
	var control=document.getElementById(listName);
	var listElements=control.getElementsByTagName("li");
	
	for(var i=0; i<listElements.length; i++) {
		//EXPAND MENU
		listElements[i].onmouseover=function() {
				var uls=this.getElementsByTagName("ul");
				for(var n=0; n<uls.length; n++) {
					if(n==0) {
						uls[n].style.display="block";
					}
					
				}
			}
		//CLOSE MENU	
		listElements[i].onmouseout=function() {
			var uls=this.getElementsByTagName("ul");
				for(var n=0; n<uls.length; n++) {
					if(n==0) {
						uls[n].style.display="none";
					}
					
				}
		}
	}
}